17860689

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 33730560

約数和(自身を除く): 15869871

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 71, 77, 99, 121, 189, 213, 231, 297, 363, 497, 639, 693, 781, 847, 1089, 1331, 1491, 1917, 2079, 2343, 2541, 3267, 3993, 4473, 5467, 7029, 7623, 8591, 9317, 11979, 13419, 16401, 21087, 22869, 25773, 27951, 35937, 49203, 60137, 77319, 83853, 94501, 147609, 180411, 231957, 251559, 283503, 541233, 661507, 850509, 1623699, 1984521, 2551527, 5953563, 17860689]

約数ペア:

[(1, 17860689), (3, 5953563), (7, 2551527), (9, 1984521), (11, 1623699), (21, 850509), (27, 661507), (33, 541233), (63, 283503), (71, 251559), (77, 231957), (99, 180411), (121, 147609), (189, 94501), (213, 83853), (231, 77319), (297, 60137), (363, 49203), (497, 35937), (639, 27951), (693, 25773), (781, 22869), (847, 21087), (1089, 16401), (1331, 13419), (1491, 11979), (1917, 9317), (2079, 8591), (2343, 7623), (2541, 7029), (3267, 5467), (3993, 4473)]